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# Negative numbers and opposite numbers

- Intro Lesson: a1:51
- Intro Lesson: b2:47
- Intro Lesson: c2:02
- Lesson: 1a1:08
- Lesson: 1b0:42
- Lesson: 2a1:35
- Lesson: 2b1:29
- Lesson: 2c1:49
- Lesson: 3a2:52
- Lesson: 3b1:22
- Lesson: 3c2:46

### Negative numbers and opposite numbers

#### Lessons

• Numbers increase in value as we move up/right on a number line.

• Opposite numbers: numbers with the same distance from 0, but on the opposite side of a number line.

• To find an opposite number, we attach a negative sign to the given number.

• Two

__signs give a positive sign.__

**LIKE**• Two

__signs give a negative sign.__

**UNLIKE**- Introduction
__Introduction to Negative Numbers and Opposite Numbers__a)What is a negative number?b)What is an opposite number?c)How to find an opposite number algebraically? - 1.
**Understanding Negative Numbers**

For each of the following pair of integers, which integer has a greater value?a)$-8$ and $-2$b)$0$ and $-3$ - 2.
**Analyzing Opposite Numbers**

Fill in the following table:a)Scenario

Opposite of the Scenario

Description

Number

Description

Number

Billy lost $5

b)Scenario

Opposite of the Scenario

Description

Number

Description

Number

Sylvia's flight was delayed by 2 hours.

c)Scenario

Opposite of the Scenario

Description

Number

Description

Number

Tim bought 3 cupcakes.

- 3.
**Solving Opposite Numbers Graphically and Algebraically**

Find the opposite of the given numbers:

i. Graphically (using a number line)

ii. Algebraicallya)$7$b)$-4$c)$0$